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4.2.2 Drain Water Treatment
Drain water is discharged during heating and defrosting
operation. (Rain water is also discharged.)
Comply with the following conditions.
1. Choose a place where good drainage is available,
or provide a drain ditch.
2. Do not install the unit over the walkways.
Condensation water may fall on people.
In case of installing the unit in such a place,
provide the additional drain pan.
3. When drain piping is necessary for the outdoor
unit, use the drain adapter set (Optional, DBS-
TP10A).
Do not use drain adapter and drain pan kit in the
cold area. The drain water in the drain pipe may
be frozen and then the drain pipe may crack.
NOTE:
•
Even when the drain adapter set is used, the
water may drain slightly from the screw holes.
Provide a second drain pan under the outdoor
unit as necessary.
•
Standard Type (8 to 12 HP) and
High Efficiency Type (8 to 10 HP)
Power Source Wiring Outlet
( 65 Knockout Hole)
Comm. Wiring Outlet
( 55 Knockout Hole)
Comm. Wiring Outlet
( 33 Knockout Hole)
•
Standard Type (14 to 18 HP) and
High Efficiency Type (12 to 16 HP)
Power Source
Wiring Outlet
( 65 Knockout Hole)
Comm. Wiring Outlet
( 55 Knockout Hole)
Comm. Wiring Outlet
( 33 Knockout Hole)
A16381Z84L-rev.1
(Unit: mm)
Hole for Drain
( 26 x 2 Positions)
Positions of Drain Boss
(Optional)
*This hole is
not used.
Refrigerant Piping Outlet
(Knockout Square Hole)
Hole for Drain
( 26 x 2 Positions)
Positions of Drain Boss
(Optional)
Hole for Drain ( 26 x 2 Positions)
Positions of Drain Cap (Optional)
*This hole is
Refrigerant Piping Outlet
not used.
(Knockout Square Hole)
•
Standard Type (20 to 28 HP) and
High Efficiency Type (18 to 22 HP)
Power Source Wiring Outlet
( 65 Knockout Hole)
Comm. Wiring Outlet
( 55 Knockout Hole)
Comm. Wiring Outlet
( 33 Knockout Hole)
Fig. 4.5 Position of Drain Water Treatment
•
Drain adapter (Optional Parts)
The drain adapter is for the drain pipe connection
in order to use outdoor unit bottom base as a drain
pan.
Name
Drain adapter
Model Parts Name Material /
Drain adapter PP / Black
DBS-
Drain Cap
TP10A
Rubber Cap CR / Black
NOTES:
•
When installing the unit above a passage way,
drain water sometimes turns to ice on a cold
morning. Therefore, avoid discharging the water
into places which people often pass through,
because it is slippery.
(Unit: mm)
When drain piping is necessary for the outdoor unit, use
the drain adapter set (Optional, DBS-TP10A).
Do not use drain adapter and drain pan kit in the cold
area. The drain water in the drain pipe may be frozen
and then the drain pipe may crack.
4. Installation Work
Refrigerant Piping Outlet
*This hole is not used.
(Knockout Square Hole)
Model
DBS-TP10A
Q'ty
Application
Color
Connecting for
2
Drain Piping
Embolization for
PP / Black
2
Drain Hole
4 Sealing for Boss and Cap
(Unit: mm)
Hole for Drain
( 26 x 2 Positions)
Positions of Drain Cap
(Optional)
Hole for Drain
( 26 x 2 Positions)
Positions of Drain Boss
(Optional)
26
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